* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans",
    "Yu Gothic", "Meiryo", sans-serif;
  color: #3a332c;
  background-color: #faf7f2;
  line-height: 1.8;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.8rem;
}

.section-lead {
  text-align: center;
  color: #7a7167;
  margin-bottom: 2.5rem;
}

.eyebrow {
  display: block;
  text-align: center;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: #b8935f;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

section {
  padding: 5rem 1.5rem;
}

.inner {
  max-width: 1040px;
  margin: 0 auto;
}

/* ===== ヒーロー ===== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(
      90deg,
      rgba(58, 51, 44, 0.72) 0%,
      rgba(58, 51, 44, 0.35) 55%,
      rgba(58, 51, 44, 0.05) 100%
    ),
    url("images/hero.jpg");
  background-size: cover;
  background-position: center;
  padding: 6rem 1.5rem 4rem;
}

.hero__inner {
  max-width: 1040px;
  margin: 0 auto;
  color: #fff;
}

.hero__brand {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: #f1dfc2;
  margin-bottom: 1.6rem;
}

.hero__catch {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.4rem;
  max-width: 620px;
}

.hero__sub {
  font-size: 1rem;
  color: #f3ede4;
  max-width: 480px;
  margin-bottom: 2.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #b8935f;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 1rem 2.2rem;
  border-radius: 999px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.btn:hover {
  opacity: 0.85;
}

.btn--outline {
  background-color: transparent;
  border: 1px solid #b8935f;
  color: #b8935f;
}

/* ===== 選ばれる理由 ===== */
.reasons {
  background-color: #fff;
}

.reasons__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.reason-card {
  text-align: center;
  padding: 2.2rem 1.5rem;
  border: 1px solid #ece4d8;
  border-radius: 16px;
}

.reason-card__num {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: #b8935f;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.reason-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}

.reason-card p {
  font-size: 0.9rem;
  color: #6e6559;
}

/* ===== 院内 ===== */
.interior {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.interior__text h2 {
  text-align: left;
  margin-bottom: 1.2rem;
}

.interior__text p {
  color: #6e6559;
  margin-bottom: 1rem;
}

.interior__image img {
  border-radius: 20px;
}

/* ===== 流れ ===== */
.flow {
  background-color: #fff;
}

.flow__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  counter-reset: step;
}

.flow__item {
  position: relative;
  padding: 2rem 1.2rem 1.2rem;
  background-color: #faf7f2;
  border-radius: 16px;
  text-align: center;
}

.flow__item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #b8935f;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.flow__item h3 {
  font-size: 1rem;
  margin: 0.6rem 0 0.5rem;
}

.flow__item p {
  font-size: 0.85rem;
  color: #6e6559;
}

/* ===== 料金 ===== */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.plan-card {
  background-color: #fff;
  border: 1px solid #ece4d8;
  border-radius: 20px;
  padding: 2.2rem 1.8rem;
  text-align: center;
}

.plan-card--featured {
  border-color: #b8935f;
  box-shadow: 0 12px 30px rgba(184, 147, 95, 0.18);
  transform: translateY(-8px);
}

.plan-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  background-color: #b8935f;
  color: #fff;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.plan-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.plan-card__price {
  font-size: 2rem;
  font-weight: 700;
  color: #b8935f;
  margin-bottom: 0.3rem;
}

.plan-card__price span {
  font-size: 0.85rem;
  color: #6e6559;
  font-weight: 400;
}

.plan-card__desc {
  font-size: 0.85rem;
  color: #6e6559;
}

/* ===== FAQ ===== */
.faq {
  background-color: #fff;
}

.faq__list {
  max-width: 720px;
  margin: 2rem auto 0;
}

.faq__item {
  border-bottom: 1px solid #ece4d8;
  padding: 1.4rem 0;
}

.faq__item h3 {
  font-size: 0.98rem;
  margin-bottom: 0.5rem;
  display: flex;
  gap: 0.6rem;
}

.faq__item h3::before {
  content: "Q";
  color: #b8935f;
  font-weight: 700;
}

.faq__item p {
  font-size: 0.9rem;
  color: #6e6559;
  display: flex;
  gap: 0.6rem;
}

.faq__item p::before {
  content: "A";
  color: #cfc3af;
  font-weight: 700;
}

/* ===== CTA ===== */
.cta {
  background-color: #3a332c;
  color: #fff;
  text-align: center;
}

.cta h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.cta p {
  color: #d8cfc2;
  margin-bottom: 2rem;
}

.cta__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta .btn--outline {
  border-color: #d8cfc2;
  color: #fff;
}

footer {
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.8rem;
  color: #a89c8a;
  background-color: #3a332c;
}

footer a {
  color: #d8cfc2;
  text-decoration: underline;
}

@media (max-width: 860px) {
  .reasons__grid,
  .flow__list,
  .plans {
    grid-template-columns: 1fr;
  }

  .interior {
    grid-template-columns: 1fr;
  }

  .plan-card--featured {
    transform: none;
  }

  .hero {
    background-position: 70% center;
  }

  .hero__inner {
    text-align: left;
  }
}
